Home / 1,130,709.32-1,560,742.52-723,906.82

Finding the Fourth Proportional to 1,130,709.32, 1,560,742.52 and 723,906.82

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Solution

The fourth proportional to 1,130,709.32, 1,560,742.52 and 723,906.82 is: 999,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,709.32 : 1,560,742.52 = 723,906.82 : x
  2. Step 2: Convert to fraction form
    1,130,709.32/1,560,742.52 = 723,906.82/x
  3. Step 3: Cross multiply
    1,130,709.32x = 1,560,742.52 × 723,906.82
  4. Step 4: Simplify right side
    1,130,709.32x = 1,129,832,152,823.38
  5. Step 5: Solve for x
    x = 1,129,832,152,823.38/1,130,709.32
  6. Step 6: Final answer
    x = 999,224.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.